解题方法
1 . 已知
,
或
.
(1)若
是
的充分条件,求实数
的取值范围;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c830571ab3fbda081e8943d43e1683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5222f9c6c80879b619a5c462aeb22b59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87492cf46ac0260bef61414c8035134.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
2 . 若集合
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61d3e02e16791da481b11926e3bca9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d416f4cd8b7ced1a77c92d1d4b252ed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
解题方法
3 . 设集合
.求:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ede6b6f694cc682f4a0f74c2e88957.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7f860e8f0503c476eaf0bd73a71810.png)
您最近一年使用:0次
名校
解题方法
4 . 已知集合
,集合
.
(1)若
,求
;
(2)若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894df263e3fb1bad02faccf0f974f2db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b6ea428ba1ca2e72ea4b00e815a4ea.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b0cbfbb7f9547c3bdcc8356d456935.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
5 . 已知全集
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f34dc468e10e072c9498d1e12dd7c135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8e8f6d2db6420933a4ac7610d4e567.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7日内更新
|
383次组卷
|
2卷引用:广西南宁市2023-2024学年高一下学期期末考调研测试数学试题
解题方法
6 . 如图,已知
是全集,
、
、
是它的子集,则阴影部分所表示的集合是
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ee9f77baae294578f7c1ecedd4e52c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知集合
,若
是
的充分条件,则实数
的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ca404400c3b58f1ed6336d79dcc5b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.0 | D.![]() |
您最近一年使用:0次
2024高三·北京·专题练习
解题方法
8 . 已知集合
,
.
(1)若
,求实数
的取值范围;
(2)若将题干中的集合
改为
,是否有可能使命题
:“
,都有
”为真命题,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3328f27720b7e75bf285fe4bdfeb7833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361190fed17f221d9b2e5364bb00c37e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d5e131bfa717cd28891ac1df3c3319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若将题干中的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72984f9d857fcbefd75f7726a46ade9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd170c506a8ce70f550f5751ae016ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
名校
9 . 设全集为R,集合
,
.
(1)分别求
,
;
(2)已知
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7baf865362210a1a635e901e07aaa46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ed6db2ac66e049994d7ce634bac3ec.png)
(1)分别求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f364cf29358f1a45974031d17abae0b4.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbda134188d64c2c27e61fd9dd2497be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca0ce54011a1d02f0eaf81b07bb85c3.png)
您最近一年使用:0次
解题方法
10 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4347b35d6ef37e73ccf89174d2c9482f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40340322abc71f23a3d792f3dc944987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715476727accc3c6b3c71f2f25c3aaad.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次